| aspen | (noun) any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind | - |
|---|
| ballpen | (noun) a pen that has a small metal ball as the point of transfer of ink to paper | Synonyms: ballpoint, ballpoint pen, Biro |
|---|
| bullpen | (noun) a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily | Synonyms: detention cell, detention centre |
|---|
| (noun) a place on a baseball field where relief pitchers can warm up during a game | - |
| cheapen | (verb) lower the grade of something; reduce its worth | Synonyms: degrade |
|---|
| crispen | (verb) make brown and crisp by heating | Synonyms: crisp, toast |
|---|
| dampen | (verb) lessen in force or effect | Synonyms: break, damp, soften, weaken |
|---|
| (verb) make moist | Synonyms: moisten, wash |
| (verb) check; keep in check (a fire) | - |
| (verb) make vague or obscure or make (an image) less visible | Synonyms: damp, deaden |
| (verb) reduce the amplitude (of oscillations or waves) | - |
| (verb) suppress or constrain so as to lessen in intensity | Synonyms: stifle |
| (verb) deaden (a sound or noise), especially by wrapping | Synonyms: damp, dull, muffle, mute, tone down |
| deepen | (verb) become more intense | Synonyms: intensify |
|---|
| (verb) make more intense, stronger, or more marked | Synonyms: compound, heighten, intensify |
| (verb) become deeper in tone | Synonyms: change |
| (verb) make deeper | - |
| happen | (verb) come to pass | Synonyms: come about, fall out, go on, hap, occur, pass, pass off, take place |
|---|
| (verb) come into being; become reality | Synonyms: materialise, materialize |
| (verb) happen, occur, or be the case in the course of events or by chance | Synonyms: bechance, befall |
| (verb) come upon, as if by accident; meet with | Synonyms: bump, chance, encounter, find |
| (verb) chance to be or do something, without intention or causation | - |
| hempen | (adjective) having or resembling fibers especially fibers used in making cordage such as those of jute | Synonyms: fibrous |
|---|
| lumpen | (adjective) mentally sluggish | Synonyms: lumpish, unthinking |
|---|
| misshapen | (adjective) so badly formed or out of shape as to be ugly | Synonyms: deformed, distorted, ill-shapen, malformed |
|---|
| open | (adjective) ready or willing to receive favorably | Synonyms: receptive |
|---|
| (adjective) affording unobstructed entrance and exit; not shut or closed | Synonyms: unfastened |
| (adjective) affording free passage or access | - |
| (adjective) (set theory) of an interval that contains neither of its endpoints | - |
| (adjective) open and observable; not secret or hidden | Synonyms: overt |
| (adjective) used of mouth or eyes | Synonyms: opened |
| (adjective) ready for business | - |
| (adjective) not having been filled | - |
| (adjective) (of textures) full of small openings or gaps | Synonyms: loose |
| (adjective) openly straightforward and direct without reserve or secretiveness | Synonyms: candid, heart-to-heart |
| (adjective) not requiring union membership | - |
| (adjective) open to or in view of all | - |
| (adjective) possibly accepting or permitting | Synonyms: capable, subject |
| (adjective) without undue constriction as from e.g. tenseness or inhibition | - |
| (adjective) having no protecting cover or enclosure | - |
| (adjective) affording free passage or view | Synonyms: clear |
| (adjective) with no protection or shield | Synonyms: exposed |
| (adjective) accessible to all | - |
| (adjective) not sealed or having been unsealed | Synonyms: opened |
| (adjective) not brought to a conclusion; subject to further thought | Synonyms: undecided, undetermined, unresolved |
| (adjective) not defended or capable of being defended | Synonyms: assailable, undefendable, undefended |
| (noun) information that has become public | Synonyms: surface |
| (noun) a tournament in which both professionals and amateurs may play | - |
| (noun) a clear or unobstructed space or expanse of land or water | Synonyms: clear |
| (noun) where the air is unconfined | Synonyms: open air, out-of-doors, outdoors |
| (verb) make available | Synonyms: open up |
| (verb) become available | Synonyms: open up |
| (verb) make the opening move | - |
| (verb) cause to open or to become open | Synonyms: open up |
| (verb) become open | Synonyms: open up |
| (verb) spread out or open from a closed or folded state | Synonyms: spread, spread out, unfold |
| (verb) display the contents of a file or start an application as on a computer | - |
| (verb) afford access to | Synonyms: afford, give |
| (verb) start to operate or function or cause to start operating or functioning | Synonyms: open up |
| (verb) begin or set in action, of meetings, speeches, recitals, etc. | - |
| (verb) have an opening or passage or outlet | - |
| pen | (noun) female swan | - |
|---|
| (noun) a writing implement with a point from which ink flows | - |
| (noun) an enclosure for confining livestock | - |
| (noun) a correctional institution for those convicted of major crimes | Synonyms: penitentiary |
| (noun) a portable enclosure in which babies may be left to play | Synonyms: playpen |
| (verb) produce a literary work | Synonyms: compose, indite, write |
| pigpen | (noun) a pen for swine | Synonyms: pigsty, sty |
|---|
| playpen | (noun) a portable enclosure in which babies may be left to play | Synonyms: pen |
|---|
| reopen | (verb) open again or anew | - |
|---|
| ripen | (verb) grow ripe | - |
|---|
| (verb) cause to ripen or develop fully | Synonyms: mature |
| sharpen | (verb) become sharp or sharper | - |
|---|
| (verb) make crisp or more crisp and precise | - |
| (verb) raise the pitch of (musical notes) | - |
| (verb) put (an image) into focus | Synonyms: focalise, focalize, focus |
| (verb) make (one's senses) more acute | Synonyms: heighten |
| (verb) give a point to | Synonyms: point, taper |
| (verb) make sharp or sharper | - |
| (verb) make (images or sounds) sharp or sharper | - |
| steepen | (verb) make steeper | - |
|---|
| (verb) become steeper | - |
| unopen | (adjective) not open | Synonyms: closed, shut |
|---|
| unshapen | (adjective) incompletely or imperfectly shaped | Synonyms: unshaped |
|---|